RT Journal Article
T1 High pressure viscosity behaviour of tris(2-ethylhexyl) trimellitate up to 150 MPa
A1 Liñeira del Río, José Manuel
A1 García Guimarey, María Jesús
A1 Pérez Comuñas, María José
A1 Fernández Pérez, Josefa
K1 Tris(2-ethylhexyl) trimellitate
K1 Viscosity
K1 High pressure
AB This article presents a study on the viscous behaviour at high pressure of a synthetic oil, tris(2-ethylhexyl) trimellitate (TOTM). This fluid is being recommended as potential industrial reference material for high viscosity-high pressure measurements. Here we report new experimental viscosity values for TOTM at temperatures from 278.15 K to 373.15 K and at pressures to 150 MPa with a maximum viscosity of 2570 mPa s. The measurements have been performed using a high pressure falling-body apparatus and a Couette rotational viscometer. The experimental values obtained in this work are included in the database of a multinational project used recently to develop a reference correlation for TOTM (Wakeham et al., 2017). The universal viscosity-pressure coefficient of this fluid has been evaluated and compared with other oils, finding that it is close to the literature values of mineral oils. Moreover, we perform an analysis of the dependency of viscosity on pressure and temperature based on the density scaling concept.
PB Elsevier
SN 0021-9614
YR 2019
FD 2019-11
LK http://hdl.handle.net/10347/32149
UL http://hdl.handle.net/10347/32149
LA eng
NO José M. Liñeira del Río, María J.G. Guimarey, María J.P. Comuñas, Josefa Fernández, High pressure viscosity behaviour of tris(2-ethylhexyl) trimellitate up to 150 MPa, The Journal of Chemical Thermodynamics, Volume 138, 2019, Pages 159-166, ISSN 0021-9614, https://doi.org/10.1016/j.jct.2019.06.016.
NO This work was supported by both the Spanish Ministry of Economy, Industry and Competitiveness and the European Regional Development Fund through the ENE2014-55489-C2-1-R and ENE2017-86425-C2-2-R projects. Authors acknowledge the financial support by the Xunta de Galicia through GRC ED431C 2016/001 and ED431E 2018/08 grants. The measurements of TOTM were carried out under the auspices of the International Union of Pure and Applied Chemistry (IUPAC) within the framework of the Project No. 2012–051–1–100.
DS Minerva
RD 24 abr 2026